It was checked by GRS about three years ago and it's ready to go it needs nothing other than an oil free compressor. This item would be a great addition for an engraver who needs another engraving machine or for a beginner looking to start engraving.The GraverMac engraving system that gives each handpiece excellent range of power with perfect control throughout an expanded range of impact speeds. Quick Connect air couplings, rear mount throttle connection, and an advanced valve pulse unit that operates with virtually no noise or vibration. The GraverMac has connections for two impact handpieces and an auxiliary air connection for other air tools, including the GRS ultra 850 Rotary handpiece. All Standard Handpieces are compatible with this machine. It requires clean, oil-free compressed air with minimum 45 psi (3 bar) pressure and 1.4 cfm (40 liters per minute) flow.
Electrical requirements are 100/240 V at 50/60 Hz. Style IEC electrical cord adapter Foot control Multi-mount air filter. For instructions please visit GRS website to view the GraverMac manual. If you have a questions please send me a message.Thank you for your interest in this item. Please check my other listings. The item "GRS GraverMac (GraverMaxG8)" is in sale since Monday, October 31, 2016. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "kayladyates12" and is located in Kathleen, Florida. This item can be shipped to United States.